I think, therefore I am.

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

A hero is no braver than an ordinary man, but he is braver five minutes longer.

Knowledge is of no value unless you put it into practice.

Practice makes comfort. Expand your experiences regularly so every stretch won't feel like your first.

I can is 100 times more important than IQ.

No matter how bad it gets, you’re still way ahead of those who haven’t even started.

99% of genius comes from hard work, the remaining 1% comes from innate talent

Nobody said it’d be easy, they just promised it would be worth it.

Do what you have always done and you will always be what you have always been

Pure mathematics is in its way, the poetry of logical ideas.

Mistakes have the power to turn you into something better than you were before.

The journey of a thousand miles begins with one step.

Tomorrow is worth more than yesterday but less than today.